Home / 14,666.65-21,991.11-5,771.32

Finding the Fourth Proportional to 14,666.65, 21,991.11 and 5,771.32

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Solution

The fourth proportional to 14,666.65, 21,991.11 and 5,771.32 is: 8,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.65 : 21,991.11 = 5,771.32 : x
  2. Step 2: Convert to fraction form
    14,666.65/21,991.11 = 5,771.32/x
  3. Step 3: Cross multiply
    14,666.65x = 21,991.11 × 5,771.32
  4. Step 4: Simplify right side
    14,666.65x = 126,917,732.97
  5. Step 5: Solve for x
    x = 126,917,732.97/14,666.65
  6. Step 6: Final answer
    x = 8,653.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.